Best AI Agent Frameworks 2026
The autonomous AI agent platforms — ranked by GitHub stars, features, and community adoption. Each entry links to a full in-depth review.
1. n8n
⭐ 202k+
Low-code workflow automation with 400+ integrations and AI…
2. AutoGPT
⭐ 187k+
Autonomous AI agent platform for complex task execution…
3. Langflow
⭐ 154k+
Visual framework for building AI agents and RAG apps…
4. Dify
⭐ 153k+
Open-source LLM app development and orchestration platform…
5. Browser Use
⭐ 110k+
Let AI control a browser autonomously to complete web tasks…
6. MCP Servers
⭐ 90k+
Reference implementations for Model Context Protocol servers…
7. OpenHands
⭐ 85k+
Platform for AI software development agents…
8. MetaGPT
⭐ 70k+
Multi-agent framework assigning roles to GPT models…
9. Open Interpreter
⭐ 68k+
Autonomous agent that writes and executes code on your machine…
10. Cline
⭐ 67k+
Autonomous coding agent in VS Code with file editing and terminal…
How we rank
Tools are ranked by GitHub stars, active maintenance, license openness, and community adoption as of Sep 3, 2026. Every tool is open source and self-hostable.